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Breker tests working

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This commit is contained in:
Jordan Carlin 2024-12-11 11:54:39 -08:00
parent 8468428b21
commit 6cff03bd33
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5 changed files with 19 additions and 13 deletions
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3
bin/wsim
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@ -111,7 +111,10 @@ def prepSim(args, ElfFile):
prefix = lockstepSetup(args)
defineList.append("+define+USE_IMPERAS_DV")
if "breker" in ElfFile:
ElfFileNoExtension = os.path.splitext(args.testsuite)[0]
flagsList.append("--breker")
defineList.append("+define+USE_TREK_DV")
argsList.append(f"+TREK_TBX_FILE={WALLY}/tests/breker/work/{ElfFileNoExtension}/{ElfFileNoExtension}.tbx")
# Combine into a single string
args.args += " ".join(argsList)
args.params += " ".join(paramsList)

4
sim/questa/wally.do
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@ -132,11 +132,9 @@ if {[lcheck lst "--lockstep"] || $FunctCoverage == 1} {
if {[lcheck lst "--breker"]} {
set breker 1
set BREKER_HOME $::env(BREKER_HOME)
set brekervlog "+define+USE_TREK_DV \
+incdir+${WALLY}/testbench/trek_files \
set brekervlog "+incdir+${WALLY}/testbench/trek_files \
${WALLY}/testbench/trek_files/uvm_output/trek_uvm_pkg.sv"
set brekervopt "${WKDIR}.trek_uvm"
set brekervsim "+TREK_TBX_FILE=${WALLY}/tests/breker/work/${TESTSUITE_NO_ELF}/${TESTSUITE_NO_ELF}.tbx"
append SVLib " -sv_lib ${BREKER_HOME}/linux64/lib/libtrek "
}

7
testbench/testbench.sv
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@ -419,7 +419,11 @@ module testbench;
end else if (TEST == "coverage64gc") begin
$display("%s ran. Coverage tests don't get checked", tests[test]);
end else if (ElfFile != "none") begin
$display("Single Elf file tests are not signatured verified.");
`ifdef USE_TREK_DV
$display("Breker test is done.");
`else
$display("Single Elf file tests are not signatured verified.");
`endif
`ifdef QUESTA
$stop; // if this is changed to $finish for Questa, wally-batch.do does not go to the next step to run coverage, and wally.do terminates without allowing GUI debug
`else
@ -696,6 +700,7 @@ module testbench;
always @(posedge clk) begin
// if (reset) PrevPCZero <= 0;
// else if (dut.core.InstrValidM) PrevPCZero <= (FunctionName.PCM == 0 & dut.core.ifu.InstrM == 0);
// $display("PCE: %0h IEUAdrM: %0h Label (tohost): %0h instruction: %s", dut.core.ifu.PCE, dut.core.lsu.IEUAdrM, ProgramAddrLabelArray["tohost"], InstrMName);
TestComplete <= ((InstrM == 32'h6f) & dut.core.InstrValidM ) |
((dut.core.lsu.IEUAdrM == ProgramAddrLabelArray["tohost"] & dut.core.lsu.IEUAdrM != 0) & InstrMName == "SW"); // |
// (FunctionName.PCM == 0 & dut.core.ifu.InstrM == 0 & dut.core.InstrValidM & PrevPCZero));

8
testbench/trek_files/platform.yaml
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@ -159,13 +159,7 @@ trek:
doc: >-
Verbatim code that will be put into the declaration section of the test.
value: |-
volatile uint64_t tohost;
void __attribute__((noreturn)) tohost_exit(uintptr_t code)
{
tohost = (code << 1) | 1;
while (1);
}
extern void tohost_exit(int status);
#undef trek_exit
#define trek_exit(status) tohost_exit(status);

10
tests/breker/Makefile
View File

@ -11,10 +11,15 @@ CONSTRAINT_FILES := $(shell find $(CONSTRAINTS_DIR) -type f)
TREKEXE_FLAGS += --seed 0x # free (0x) or lock (0x1) the seed used for test generation
TREKSVIP = source $(TREKFILES)/breker-setup.sh && treksvip -p $(PLATFORM_YAML) -p $(TREKSVIP_YAML) $(TREKEXE_FLAGS)
EXAMPLES_LIB = $(WALLY)/examples/C/common
# -nostdlib -static -lm -fno-tree-loop-distribute-patterns
# Compilation paths and variables
MARCH :=-march=rv64gc_zcb_zfa_zba_zbb_zbc_zbs_zfh_zicboz_zicbop_zicbom_zbkb_zbkx_zknd_zkne_zknh_svinval
MABI :=-mabi=lp64d
LINKER := $(WALLY)/tests/custom/linker8000-0000.x
LINKER := $(EXAMPLES_LIB)/test.ld
# $(WALLY)/tests/custom/linker8000-0000.x
LINK_FLAGS := -nostartfiles
CFLAGS := -Wa,-alhs -Wa,-L -mcmodel=medany -Og -DSINGLE_CPU
CRT0_DIR := $(WALLY)/tests/custom/crt0
@ -33,7 +38,8 @@ $(TESTDIR)/%: $(CONSTRAINTS_DIR)/%.yaml | $(TESTDIR)
# Compile c code
.PRECIOUS: %.elf
%.elf: %.c $(CRT0_DIR)/libcrt0.a
riscv64-unknown-elf-gcc $(MARCH) $(MABI) $(CFLAGS) $(LINK_FLAGS) -g -o $@ $< -L$(CRT0_DIR) -lcrt0 -T $(LINKER) > /dev/null
riscv64-unknown-elf-gcc $(MARCH) $(MABI) $(CFLAGS) $(LINK_FLAGS) -g -o $@ $< -T $(LINKER) -I$(EXAMPLES_LIB) $(EXAMPLES_LIB)/crt.S $(EXAMPLES_LIB)/syscalls.c> /dev/null
# riscv64-unknown-elf-gcc $(MARCH) $(MABI) $(CFLAGS) $(LINK_FLAGS) -g -o $@ $< -L$(CRT0_DIR) -lcrt0 -T $(LINKER) > /dev/null
# Convert elf to hex
%.elf.memfile: %.elf